ALAS2KERNEL-5.15-2025-084


Amazon Linux 2 Security Advisory: ALAS2KERNEL-5.15-2025-084
Advisory Released Date: 2025-07-30
Advisory Updated Date: 2025-09-08
Severity: Important

Issue Overview:

In the Linux kernel, the following vulnerability has been resolved:

btrfs: don't drop extent_map for free space inode on write error (CVE-2024-26726)

In the Linux kernel, the following vulnerability has been resolved:

tracing: Verify event formats that have "%*p.." (CVE-2025-37938)

In the Linux kernel, the following vulnerability has been resolved:

net: phy: allow MDIO bus PM ops to start/stop state machine for phylink-controlled PHY (CVE-2025-37945)

In the Linux kernel, the following vulnerability has been resolved:

genirq/msi: Store the IOMMU IOVA directly in msi_desc instead of iommu_cookie (CVE-2025-38062)

In the Linux kernel, the following vulnerability has been resolved:

virtio: break and reset virtio devices on device_shutdown() (CVE-2025-38064)

In the Linux kernel, the following vulnerability has been resolved:

tty: serial: uartlite: register uart driver in init (CVE-2025-38262)

In the Linux kernel, the following vulnerability has been resolved:

bcache: fix NULL pointer in cache_set_flush() (CVE-2025-38263)

In the Linux kernel, the following vulnerability has been resolved:

net/sched: Always pass notifications when child class becomes empty (CVE-2025-38350)

In the Linux kernel, the following vulnerability has been resolved:

ACPICA: Refuse to evaluate a method if arguments are missing (CVE-2025-38386)

In the Linux kernel, the following vulnerability has been resolved:

drm/i915/gt: Fix timeline left held on VMA alloc error (CVE-2025-38389)

In the Linux kernel, the following vulnerability has been resolved:

NFSv4/pNFS: Fix a race to wake on NFS_LAYOUT_DRAIN (CVE-2025-38393)

In the Linux kernel, the following vulnerability has been resolved:

scsi: target: Fix NULL pointer dereference in core_scsi3_decode_spec_i_port() (CVE-2025-38399)

In the Linux kernel, the following vulnerability has been resolved:

nfs: Clean up /proc/net/rpc/nfs when nfs_fs_proc_net_init() fails. (CVE-2025-38400)

In the Linux kernel, the following vulnerability has been resolved:

vsock/vmci: Clear the vmci transport packet properly when initializing it (CVE-2025-38403)


Affected Packages:

kernel


Note:

This advisory is applicable to Amazon Linux 2 - Kernel-5.15 Extra. Visit this page to learn more about Amazon Linux 2 (AL2) Extras and this FAQ section for the difference between AL2 Core and AL2 Extras advisories.


Issue Correction:
Run yum update kernel or yum update --advisory ALAS2KERNEL-5.15-2025-084 to update your system.
System reboot is required in order to complete this update.

New Packages:
aarch64:
    kernel-5.15.187-130.192.amzn2.aarch64
    kernel-headers-5.15.187-130.192.amzn2.aarch64
    kernel-debuginfo-common-aarch64-5.15.187-130.192.amzn2.aarch64
    perf-5.15.187-130.192.amzn2.aarch64
    perf-debuginfo-5.15.187-130.192.amzn2.aarch64
    python-perf-5.15.187-130.192.amzn2.aarch64
    python-perf-debuginfo-5.15.187-130.192.amzn2.aarch64
    kernel-tools-5.15.187-130.192.amzn2.aarch64
    kernel-tools-devel-5.15.187-130.192.amzn2.aarch64
    kernel-tools-debuginfo-5.15.187-130.192.amzn2.aarch64
    bpftool-5.15.187-130.192.amzn2.aarch64
    bpftool-debuginfo-5.15.187-130.192.amzn2.aarch64
    kernel-devel-5.15.187-130.192.amzn2.aarch64
    kernel-debuginfo-5.15.187-130.192.amzn2.aarch64
    kernel-livepatch-5.15.187-130.192-1.0-0.amzn2.aarch64

i686:
    kernel-headers-5.15.187-130.192.amzn2.i686

src:
    kernel-5.15.187-130.192.amzn2.src

x86_64:
    kernel-5.15.187-130.192.amzn2.x86_64
    kernel-headers-5.15.187-130.192.amzn2.x86_64
    kernel-debuginfo-common-x86_64-5.15.187-130.192.amzn2.x86_64
    perf-5.15.187-130.192.amzn2.x86_64
    perf-debuginfo-5.15.187-130.192.amzn2.x86_64
    python-perf-5.15.187-130.192.amzn2.x86_64
    python-perf-debuginfo-5.15.187-130.192.amzn2.x86_64
    kernel-tools-5.15.187-130.192.amzn2.x86_64
    kernel-tools-devel-5.15.187-130.192.amzn2.x86_64
    kernel-tools-debuginfo-5.15.187-130.192.amzn2.x86_64
    bpftool-5.15.187-130.192.amzn2.x86_64
    bpftool-debuginfo-5.15.187-130.192.amzn2.x86_64
    kernel-devel-5.15.187-130.192.amzn2.x86_64
    kernel-debuginfo-5.15.187-130.192.amzn2.x86_64
    kernel-livepatch-5.15.187-130.192-1.0-0.amzn2.x86_64

Changelog:

2025-09-08: CVE-2025-38399 was added to this advisory.

2025-08-26: CVE-2025-38350 was added to this advisory.

2025-08-26: CVE-2025-38389 was added to this advisory.

2025-08-26: CVE-2025-38400 was added to this advisory.

2025-08-26: CVE-2025-38386 was added to this advisory.

2025-08-26: CVE-2025-38262 was added to this advisory.

2025-08-26: CVE-2025-38403 was added to this advisory.

2025-08-26: CVE-2025-38263 was added to this advisory.

2025-08-26: CVE-2025-38393 was added to this advisory.